git.oblomov.eu Git - wine/blob - dlls/dbghelp/msc.c

   1 /*
   2  * File msc.c - read VC++ debug information from COFF and eventually
   3  * from PDB files.
   4  *
   5  * Copyright (C) 1996,      Eric Youngdale.
   6  * Copyright (C) 1999-2000, Ulrich Weigand.
   7  * Copyright (C) 2004-2006, Eric Pouech.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 /*
  25  * Note - this handles reading debug information for 32 bit applications
  26  * that run under Windows-NT for example.  I doubt that this would work well
  27  * for 16 bit applications, but I don't think it really matters since the
  28  * file format is different, and we should never get in here in such cases.
  29  *
  30  * TODO:
  31  *      Get 16 bit CV stuff working.
  32  *      Add symbol size to internal symbol table.
  33  */
  34
  35 #define NONAMELESSUNION
  36
  37 #include "config.h"
  38 #include "wine/port.h"
  39
  40 #include <assert.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43
  44 #include <string.h>
  45 #ifdef HAVE_UNISTD_H
  46 # include <unistd.h>
  47 #endif
  48 #ifndef PATH_MAX
  49 #define PATH_MAX MAX_PATH
  50 #endif
  51 #include <stdarg.h>
  52 #include "windef.h"
  53 #include "winbase.h"
  54 #include "winternl.h"
  55
  56 #include "wine/exception.h"
  57 #include "wine/debug.h"
  58 #include "dbghelp_private.h"
  59 #include "wine/mscvpdb.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
  62
  63 #define MAX_PATHNAME_LEN 1024
  64
  65 /*========================================================================
  66  * Debug file access helper routines
  67  */
  68
  69 static void dump(const void* ptr, unsigned len)
  70 {
  71     int         i, j;
  72     char        msg[128];
  73     const char* hexof = "0123456789abcdef";
  74     const BYTE* x = (const BYTE*)ptr;
  75
  76     for (i = 0; i < len; i += 16)
  77     {
  78         sprintf(msg, "%08x: ", i);
  79         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  80         for (j = 0; j < min(16, len - i); j++)
  81         {
  82             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  83             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  84             msg[10 + 3 * j + 2] = ' ';
  85             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  86                 x[i + j] : '.';
  87         }
  88         msg[10 + 3 * 16] = ' ';
  89         msg[10 + 3 * 16 + 1 + 16] = '\0';
  90         FIXME("%s\n", msg);
  91     }
  92 }
  93
  94 /*========================================================================
  95  * Process CodeView type information.
  96  */
  97
  98 #define MAX_BUILTIN_TYPES       0x0480
  99 #define FIRST_DEFINABLE_TYPE    0x1000
 100
 101 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 102
 103 struct cv_defined_module
 104 {
 105     BOOL                allowed;
 106     unsigned int        num_defined_types;
 107     struct symt**       defined_types;
 108 };
 109 /* FIXME: don't make it static */
 110 #define CV_MAX_MODULES          32
 111 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 112 static struct cv_defined_module*cv_current_module;
 113
 114 static void codeview_init_basic_types(struct module* module)
 115 {
 116     /*
 117      * These are the common builtin types that are used by VC++.
 118      */
 119     cv_basic_types[T_NOTYPE] = NULL;
 120     cv_basic_types[T_ABS]    = NULL;
 121     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 122     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 123     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 124     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 125     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 126     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 127     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 128     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 129     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 130     cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool,  "BOOL08", 1)->symt;
 131     cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool,  "BOOL16", 2)->symt;
 132     cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool,  "BOOL32", 4)->symt;
 133     cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool,  "BOOL64", 8)->symt;
 134     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 135     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 136     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 137     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 138     cv_basic_types[T_INT2]   = &symt_new_basic(module, btInt,   "INT2", 2)->symt;
 139     cv_basic_types[T_UINT2]  = &symt_new_basic(module, btUInt,  "UINT2", 2)->symt;
 140     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 141     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 142     cv_basic_types[T_INT8]   = &symt_new_basic(module, btInt,   "INT8", 8)->symt;
 143     cv_basic_types[T_UINT8]  = &symt_new_basic(module, btUInt,  "UINT8", 8)->symt;
 144     cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt,  "HRESULT", 4)->symt;
 145
 146     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 147     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 148     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 149     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 150     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 151     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 152     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 153     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 154     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 155     cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08])->symt;
 156     cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16])->symt;
 157     cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32])->symt;
 158     cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64])->symt;
 159     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 160     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 161     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 162     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 163     cv_basic_types[T_32PINT2]   = &symt_new_pointer(module, cv_basic_types[T_INT2])->symt;
 164     cv_basic_types[T_32PUINT2]  = &symt_new_pointer(module, cv_basic_types[T_UINT2])->symt;
 165     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 166     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 167     cv_basic_types[T_32PINT8]   = &symt_new_pointer(module, cv_basic_types[T_INT8])->symt;
 168     cv_basic_types[T_32PUINT8]  = &symt_new_pointer(module, cv_basic_types[T_UINT8])->symt;
 169     cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT])->symt;
 170 }
 171
 172 static int numeric_leaf(int* value, const unsigned short int* leaf)
 173 {
 174     unsigned short int type = *leaf++;
 175     int length = 2;
 176
 177     if (type < LF_NUMERIC)
 178     {
 179         *value = type;
 180     }
 181     else
 182     {
 183         switch (type)
 184         {
 185         case LF_CHAR:
 186             length += 1;
 187             *value = *(const char*)leaf;
 188             break;
 189
 190         case LF_SHORT:
 191             length += 2;
 192             *value = *(const short*)leaf;
 193             break;
 194
 195         case LF_USHORT:
 196             length += 2;
 197             *value = *leaf;
 198             break;
 199
 200         case LF_LONG:
 201             length += 4;
 202             *value = *(const int*)leaf;
 203             break;
 204
 205         case LF_ULONG:
 206             length += 4;
 207             *value = *(const unsigned int*)leaf;
 208             break;
 209
 210         case LF_QUADWORD:
 211         case LF_UQUADWORD:
 212             FIXME("Unsupported numeric leaf type %04x\n", type);
 213             length += 8;
 214             *value = 0;    /* FIXME */
 215             break;
 216
 217         case LF_REAL32:
 218             FIXME("Unsupported numeric leaf type %04x\n", type);
 219             length += 4;
 220             *value = 0;    /* FIXME */
 221             break;
 222
 223         case LF_REAL48:
 224             FIXME("Unsupported numeric leaf type %04x\n", type);
 225             length += 6;
 226             *value = 0;    /* FIXME */
 227             break;
 228
 229         case LF_REAL64:
 230             FIXME("Unsupported numeric leaf type %04x\n", type);
 231             length += 8;
 232             *value = 0;    /* FIXME */
 233             break;
 234
 235         case LF_REAL80:
 236             FIXME("Unsupported numeric leaf type %04x\n", type);
 237             length += 10;
 238             *value = 0;    /* FIXME */
 239             break;
 240
 241         case LF_REAL128:
 242             FIXME("Unsupported numeric leaf type %04x\n", type);
 243             length += 16;
 244             *value = 0;    /* FIXME */
 245             break;
 246
 247         case LF_COMPLEX32:
 248             FIXME("Unsupported numeric leaf type %04x\n", type);
 249             length += 4;
 250             *value = 0;    /* FIXME */
 251             break;
 252
 253         case LF_COMPLEX64:
 254             FIXME("Unsupported numeric leaf type %04x\n", type);
 255             length += 8;
 256             *value = 0;    /* FIXME */
 257             break;
 258
 259         case LF_COMPLEX80:
 260             FIXME("Unsupported numeric leaf type %04x\n", type);
 261             length += 10;
 262             *value = 0;    /* FIXME */
 263             break;
 264
 265         case LF_COMPLEX128:
 266             FIXME("Unsupported numeric leaf type %04x\n", type);
 267             length += 16;
 268             *value = 0;    /* FIXME */
 269             break;
 270
 271         case LF_VARSTRING:
 272             FIXME("Unsupported numeric leaf type %04x\n", type);
 273             length += 2 + *leaf;
 274             *value = 0;    /* FIXME */
 275             break;
 276
 277         default:
 278             FIXME("Unknown numeric leaf type %04x\n", type);
 279             *value = 0;
 280             break;
 281         }
 282     }
 283
 284     return length;
 285 }
 286
 287 /* convert a pascal string (as stored in debug information) into
 288  * a C string (null terminated).
 289  */
 290 static const char* terminate_string(const struct p_string* p_name)
 291 {
 292     static char symname[256];
 293
 294     memcpy(symname, p_name->name, p_name->namelen);
 295     symname[p_name->namelen] = '\0';
 296
 297     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 298 }
 299
 300 static struct symt*  codeview_get_type(unsigned int typeno, BOOL quiet)
 301 {
 302     struct symt*        symt = NULL;
 303
 304     /*
 305      * Convert Codeview type numbers into something we can grok internally.
 306      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 307      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 308      */
 309     if (typeno < FIRST_DEFINABLE_TYPE)
 310     {
 311         if (typeno < MAX_BUILTIN_TYPES)
 312             symt = cv_basic_types[typeno];
 313     }
 314     else
 315     {
 316         unsigned        mod_index = typeno >> 24;
 317         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 318         struct cv_defined_module*       mod;
 319
 320         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 321
 322         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 323             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 324         else
 325         {
 326             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 327                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 328         }
 329     }
 330     if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 331     return symt;
 332 }
 333
 334 struct codeview_type_parse
 335 {
 336     struct module*      module;
 337     const BYTE*         table;
 338     const DWORD*        offset;
 339     DWORD               num;
 340 };
 341
 342 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
 343 {
 344     if (idx < FIRST_DEFINABLE_TYPE) return NULL;
 345     idx -= FIRST_DEFINABLE_TYPE;
 346     return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
 347 }
 348
 349 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 350 {
 351     if (typeno < FIRST_DEFINABLE_TYPE)
 352         FIXME("What the heck\n");
 353     if (!cv_current_module)
 354     {
 355         FIXME("Adding %x to non allowed module\n", typeno);
 356         return FALSE;
 357     }
 358     if ((typeno >> 24) != 0)
 359         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 360               typeno);
 361     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 362     {
 363         cv_current_module->num_defined_types += 0x100;
 364         if (cv_current_module->defined_types)
 365             cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
 366                             HEAP_ZERO_MEMORY, cv_current_module->defined_types,
 367                             cv_current_module->num_defined_types * sizeof(struct symt*));
 368         else
 369             cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
 370                             HEAP_ZERO_MEMORY,
 371                             cv_current_module->num_defined_types * sizeof(struct symt*));
 372
 373         if (cv_current_module->defined_types == NULL) return FALSE;
 374     }
 375     if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
 376     {
 377         if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
 378             FIXME("Overwriting at %x\n", typeno);
 379     }
 380     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 381     return TRUE;
 382 }
 383
 384 static void codeview_clear_type_table(void)
 385 {
 386     int i;
 387
 388     for (i = 0; i < CV_MAX_MODULES; i++)
 389     {
 390         if (cv_zmodules[i].allowed)
 391             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 392         cv_zmodules[i].allowed = FALSE;
 393         cv_zmodules[i].defined_types = NULL;
 394         cv_zmodules[i].num_defined_types = 0;
 395     }
 396     cv_current_module = NULL;
 397 }
 398
 399 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 400                                             unsigned curr_type,
 401                                             const union codeview_type* type, BOOL details);
 402
 403 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
 404 {
 405     if (symt->tag != tag)
 406     {
 407         FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
 408         return NULL;
 409     }
 410     return symt;
 411 }
 412
 413 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
 414                                         unsigned typeno, BOOL details)
 415 {
 416     struct symt*                symt;
 417     const union codeview_type*  p;
 418
 419     if (!typeno) return NULL;
 420     if ((symt = codeview_get_type(typeno, TRUE))) return symt;
 421
 422     /* forward declaration */
 423     if (!(p = codeview_jump_to_type(ctp, typeno)))
 424     {
 425         FIXME("Cannot locate type %x\n", typeno);
 426         return NULL;
 427     }
 428     symt = codeview_parse_one_type(ctp, typeno, p, details);
 429     if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
 430     return symt;
 431 }
 432
 433 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
 434                                               struct symt* existing,
 435                                               unsigned int pointee_type)
 436 {
 437     struct symt* pointee;
 438
 439     if (existing)
 440     {
 441         existing = codeview_cast_symt(existing, SymTagPointerType);
 442         return existing;
 443     }
 444     pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
 445     return &symt_new_pointer(ctp->module, pointee)->symt;
 446 }
 447
 448 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
 449                                             const char* name,
 450                                             unsigned int elemtype,
 451                                             unsigned int indextype,
 452                                             unsigned int arr_len)
 453 {
 454     struct symt*        elem = codeview_fetch_type(ctp, elemtype, FALSE);
 455     struct symt*        index = codeview_fetch_type(ctp, indextype, FALSE);
 456     DWORD               arr_max = 0;
 457
 458     if (elem)
 459     {
 460         DWORD64 elem_size;
 461         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 462         if (elem_size) arr_max = arr_len / (DWORD)elem_size;
 463     }
 464     return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
 465 }
 466
 467 static int codeview_add_type_enum_field_list(struct module* module,
 468                                              struct symt_enum* symt,
 469                                              const union codeview_reftype* ref_type)
 470 {
 471     const unsigned char*                ptr = ref_type->fieldlist.list;
 472     const unsigned char*                last = (const BYTE*)ref_type + ref_type->generic.len + 2;
 473     const union codeview_fieldtype*     type;
 474
 475     while (ptr < last)
 476     {
 477         if (*ptr >= 0xf0)       /* LF_PAD... */
 478         {
 479             ptr += *ptr & 0x0f;
 480             continue;
 481         }
 482
 483         type = (const union codeview_fieldtype*)ptr;
 484
 485         switch (type->generic.id)
 486         {
 487         case LF_ENUMERATE_V1:
 488         {
 489             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 490             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 491
 492             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 493             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 494             break;
 495         }
 496         case LF_ENUMERATE_V3:
 497         {
 498             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 499             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 500
 501             symt_add_enum_element(module, symt, name, value);
 502             ptr += 2 + 2 + vlen + (1 + strlen(name));
 503             break;
 504         }
 505
 506         default:
 507             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 508             return FALSE;
 509         }
 510     }
 511     return TRUE;
 512 }
 513
 514 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
 515                                      struct symt_udt* symt, const char* name,
 516                                      int value, unsigned type)
 517 {
 518     struct symt*                subtype;
 519     const union codeview_reftype*cv_type;
 520
 521     if ((cv_type = codeview_jump_to_type(ctp, type)))
 522     {
 523         switch (cv_type->generic.id)
 524         {
 525         case LF_BITFIELD_V1:
 526             symt_add_udt_element(ctp->module, symt, name,
 527                                  codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
 528                                  cv_type->bitfield_v1.bitoff,
 529                                  cv_type->bitfield_v1.nbits);
 530             return;
 531         case LF_BITFIELD_V2:
 532             symt_add_udt_element(ctp->module, symt, name,
 533                                  codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
 534                                  cv_type->bitfield_v2.bitoff,
 535                                  cv_type->bitfield_v2.nbits);
 536             return;
 537         }
 538     }
 539     subtype = codeview_fetch_type(ctp, type, FALSE);
 540
 541     if (subtype)
 542     {
 543         DWORD64 elem_size = 0;
 544         symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 545         symt_add_udt_element(ctp->module, symt, name, subtype,
 546                              value << 3, (DWORD)elem_size << 3);
 547     }
 548 }
 549
 550 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
 551                                                struct symt_udt* symt,
 552                                                unsigned fieldlistno)
 553 {
 554     const unsigned char*        ptr;
 555     const unsigned char*        last;
 556     int                         value, leaf_len;
 557     const struct p_string*      p_name;
 558     const char*                 c_name;
 559     const union codeview_reftype*type_ref;
 560     const union codeview_fieldtype* type;
 561
 562     if (!fieldlistno) return TRUE;
 563     type_ref = codeview_jump_to_type(ctp, fieldlistno);
 564     ptr = type_ref->fieldlist.list;
 565     last = (const BYTE*)type_ref + type_ref->generic.len + 2;
 566
 567     while (ptr < last)
 568     {
 569         if (*ptr >= 0xf0)       /* LF_PAD... */
 570         {
 571             ptr += *ptr & 0x0f;
 572             continue;
 573         }
 574
 575         type = (const union codeview_fieldtype*)ptr;
 576
 577         switch (type->generic.id)
 578         {
 579         case LF_BCLASS_V1:
 580             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 581
 582             /* FIXME: ignored for now */
 583
 584             ptr += 2 + 2 + 2 + leaf_len;
 585             break;
 586
 587         case LF_BCLASS_V2:
 588             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 589
 590             /* FIXME: ignored for now */
 591
 592             ptr += 2 + 2 + 4 + leaf_len;
 593             break;
 594
 595         case LF_VBCLASS_V1:
 596         case LF_IVBCLASS_V1:
 597             {
 598                 const unsigned short int* p_vboff;
 599                 int vpoff, vplen;
 600                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 601                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 602                 vplen = numeric_leaf(&vpoff, p_vboff);
 603
 604                 /* FIXME: ignored for now */
 605
 606                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 607             }
 608             break;
 609
 610         case LF_VBCLASS_V2:
 611         case LF_IVBCLASS_V2:
 612             {
 613                 const unsigned short int* p_vboff;
 614                 int vpoff, vplen;
 615                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 616                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 617                 vplen = numeric_leaf(&vpoff, p_vboff);
 618
 619                 /* FIXME: ignored for now */
 620
 621                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 622             }
 623             break;
 624
 625         case LF_MEMBER_V1:
 626             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 627             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 628
 629             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 630                                      type->member_v1.type);
 631
 632             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 633             break;
 634
 635         case LF_MEMBER_V2:
 636             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 637             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 638
 639             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 640                                      type->member_v2.type);
 641
 642             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 643             break;
 644
 645         case LF_MEMBER_V3:
 646             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 647             c_name = (const char*)&type->member_v3.offset + leaf_len;
 648
 649             codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
 650
 651             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 652             break;
 653
 654         case LF_STMEMBER_V1:
 655             /* FIXME: ignored for now */
 656             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 657             break;
 658
 659         case LF_STMEMBER_V2:
 660             /* FIXME: ignored for now */
 661             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 662             break;
 663
 664         case LF_STMEMBER_V3:
 665             /* FIXME: ignored for now */
 666             ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
 667             break;
 668
 669         case LF_METHOD_V1:
 670             /* FIXME: ignored for now */
 671             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 672             break;
 673
 674         case LF_METHOD_V2:
 675             /* FIXME: ignored for now */
 676             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 677             break;
 678
 679         case LF_METHOD_V3:
 680             /* FIXME: ignored for now */
 681             ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
 682             break;
 683
 684         case LF_NESTTYPE_V1:
 685             /* FIXME: ignored for now */
 686             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 687             break;
 688
 689         case LF_NESTTYPE_V2:
 690             /* FIXME: ignored for now */
 691             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 692             break;
 693
 694         case LF_NESTTYPE_V3:
 695             /* FIXME: ignored for now */
 696             ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
 697             break;
 698
 699         case LF_VFUNCTAB_V1:
 700             /* FIXME: ignored for now */
 701             ptr += 2 + 2;
 702             break;
 703
 704         case LF_VFUNCTAB_V2:
 705             /* FIXME: ignored for now */
 706             ptr += 2 + 2 + 4;
 707             break;
 708
 709         case LF_ONEMETHOD_V1:
 710             /* FIXME: ignored for now */
 711             switch ((type->onemethod_v1.attribute >> 2) & 7)
 712             {
 713             case 4: case 6: /* (pure) introducing virtual method */
 714                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 715                 break;
 716
 717             default:
 718                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 719                 break;
 720             }
 721             break;
 722
 723         case LF_ONEMETHOD_V2:
 724             /* FIXME: ignored for now */
 725             switch ((type->onemethod_v2.attribute >> 2) & 7)
 726             {
 727             case 4: case 6: /* (pure) introducing virtual method */
 728                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 729                 break;
 730
 731             default:
 732                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 733                 break;
 734             }
 735             break;
 736
 737         case LF_ONEMETHOD_V3:
 738             /* FIXME: ignored for now */
 739             switch ((type->onemethod_v3.attribute >> 2) & 7)
 740             {
 741             case 4: case 6: /* (pure) introducing virtual method */
 742                 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
 743                 break;
 744
 745             default:
 746                 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
 747                 break;
 748             }
 749             break;
 750
 751         default:
 752             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 753             return FALSE;
 754         }
 755     }
 756
 757     return TRUE;
 758 }
 759
 760 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
 761                                            struct symt* existing,
 762                                            const char* name,
 763                                            unsigned fieldlistno,
 764                                            unsigned basetype)
 765 {
 766     struct symt_enum*   symt;
 767
 768     if (existing)
 769     {
 770         if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
 771         /* should also check that all fields are the same */
 772     }
 773     else
 774     {
 775         symt = symt_new_enum(ctp->module, name,
 776                              codeview_fetch_type(ctp, basetype, FALSE));
 777         if (fieldlistno)
 778         {
 779             const union codeview_reftype* fieldlist;
 780             fieldlist = codeview_jump_to_type(ctp, fieldlistno);
 781             codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
 782         }
 783     }
 784     return &symt->symt;
 785 }
 786
 787 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
 788                                              struct symt* existing,
 789                                              const char* name, int structlen,
 790                                              enum UdtKind kind)
 791 {
 792     struct symt_udt*    symt;
 793
 794     if (existing)
 795     {
 796         if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
 797         /* should also check that all fields are the same */
 798     }
 799     else symt = symt_new_udt(ctp->module, name, structlen, kind);
 800
 801     return &symt->symt;
 802 }
 803
 804 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
 805                                                 struct symt* existing,
 806                                                 enum CV_call_e call_conv)
 807 {
 808     struct symt_function_signature*     sym;
 809
 810     if (existing)
 811     {
 812         sym = codeview_cast_symt(existing, SymTagFunctionType);
 813         if (!sym) return NULL;
 814     }
 815     else
 816     {
 817         sym = symt_new_function_signature(ctp->module, NULL, call_conv);
 818     }
 819     return &sym->symt;
 820 }
 821
 822 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
 823                                              struct symt_function_signature* sym,
 824                                              unsigned ret_type,
 825                                              unsigned args_list)
 826 {
 827     const union codeview_reftype*       reftype;
 828
 829     sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
 830     if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
 831     {
 832         int i;
 833         switch (reftype->generic.id)
 834         {
 835         case LF_ARGLIST_V1:
 836             for (i = 0; i < reftype->arglist_v1.num; i++)
 837                 symt_add_function_signature_parameter(ctp->module, sym,
 838                                                       codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
 839             break;
 840         case LF_ARGLIST_V2:
 841             for (i = 0; i < reftype->arglist_v2.num; i++)
 842                 symt_add_function_signature_parameter(ctp->module, sym,
 843                                                       codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
 844             break;
 845         default:
 846             FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
 847         }
 848     }
 849 }
 850
 851 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 852                                             unsigned curr_type,
 853                                             const union codeview_type* type, BOOL details)
 854 {
 855     struct symt*                symt;
 856     int                         value, leaf_len;
 857     const struct p_string*      p_name;
 858     const char*                 c_name;
 859     struct symt*                existing;
 860
 861     existing = codeview_get_type(curr_type, TRUE);
 862
 863     switch (type->generic.id)
 864     {
 865     case LF_MODIFIER_V1:
 866         /* FIXME: we don't handle modifiers,
 867          * but read previous type on the curr_type
 868          */
 869         WARN("Modifier on %x: %s%s%s%s\n",
 870              type->modifier_v1.type,
 871              type->modifier_v1.attribute & 0x01 ? "const " : "",
 872              type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 873              type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 874              type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 875         symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
 876         break;
 877     case LF_MODIFIER_V2:
 878         /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 879         WARN("Modifier on %x: %s%s%s%s\n",
 880              type->modifier_v2.type,
 881              type->modifier_v2.attribute & 0x01 ? "const " : "",
 882              type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 883              type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 884              type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 885         symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
 886         break;
 887
 888     case LF_POINTER_V1:
 889         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
 890         break;
 891     case LF_POINTER_V2:
 892         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
 893         break;
 894
 895     case LF_ARRAY_V1:
 896         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 897         else
 898         {
 899             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 900             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 901             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 902                                            type->array_v1.elemtype,
 903                                            type->array_v1.idxtype, value);
 904         }
 905         break;
 906     case LF_ARRAY_V2:
 907         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 908         else
 909         {
 910             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 911             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 912
 913             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 914                                            type->array_v2.elemtype,
 915                                            type->array_v2.idxtype, value);
 916         }
 917         break;
 918     case LF_ARRAY_V3:
 919         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 920         else
 921         {
 922             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 923             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 924
 925             symt = codeview_add_type_array(ctp, c_name,
 926                                            type->array_v3.elemtype,
 927                                            type->array_v3.idxtype, value);
 928         }
 929         break;
 930
 931     case LF_STRUCTURE_V1:
 932     case LF_CLASS_V1:
 933         leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 934         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 935         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 936                                         type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 937         if (details)
 938         {
 939             codeview_add_type(curr_type, symt);
 940             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 941                                                 type->struct_v1.fieldlist);
 942         }
 943         break;
 944
 945     case LF_STRUCTURE_V2:
 946     case LF_CLASS_V2:
 947         leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 948         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 949         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 950                                         type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 951         if (details)
 952         {
 953             codeview_add_type(curr_type, symt);
 954             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 955                                                 type->struct_v2.fieldlist);
 956         }
 957         break;
 958
 959     case LF_STRUCTURE_V3:
 960     case LF_CLASS_V3:
 961         leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 962         c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 963         symt = codeview_add_type_struct(ctp, existing, c_name, value,
 964                                         type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 965         if (details)
 966         {
 967             codeview_add_type(curr_type, symt);
 968             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 969                                                 type->struct_v3.fieldlist);
 970         }
 971         break;
 972
 973     case LF_UNION_V1:
 974         leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 975         p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 976         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 977                                         value, UdtUnion);
 978         if (details)
 979         {
 980             codeview_add_type(curr_type, symt);
 981             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 982                                                 type->union_v1.fieldlist);
 983         }
 984         break;
 985
 986     case LF_UNION_V2:
 987         leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 988         p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 989         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 990                                         value, UdtUnion);
 991         if (details)
 992         {
 993             codeview_add_type(curr_type, symt);
 994             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 995                                                 type->union_v2.fieldlist);
 996         }
 997         break;
 998
 999     case LF_UNION_V3:
1000         leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1001         c_name = (const char*)&type->union_v3.un_len + leaf_len;
1002         symt = codeview_add_type_struct(ctp, existing, c_name,
1003                                         value, UdtUnion);
1004         if (details)
1005         {
1006             codeview_add_type(curr_type, symt);
1007             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1008                                                 type->union_v3.fieldlist);
1009         }
1010         break;
1011
1012     case LF_ENUM_V1:
1013         symt = codeview_add_type_enum(ctp, existing,
1014                                       terminate_string(&type->enumeration_v1.p_name),
1015                                       type->enumeration_v1.fieldlist,
1016                                       type->enumeration_v1.type);
1017         break;
1018
1019     case LF_ENUM_V2:
1020         symt = codeview_add_type_enum(ctp, existing,
1021                                       terminate_string(&type->enumeration_v2.p_name),
1022                                       type->enumeration_v2.fieldlist,
1023                                       type->enumeration_v2.type);
1024         break;
1025
1026     case LF_ENUM_V3:
1027         symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1028                                       type->enumeration_v3.fieldlist,
1029                                       type->enumeration_v3.type);
1030         break;
1031
1032     case LF_PROCEDURE_V1:
1033         symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1034         if (details)
1035         {
1036             codeview_add_type(curr_type, symt);
1037             codeview_add_func_signature_args(ctp,
1038                                              (struct symt_function_signature*)symt,
1039                                              type->procedure_v1.rvtype,
1040                                              type->procedure_v1.arglist);
1041         }
1042         break;
1043     case LF_PROCEDURE_V2:
1044         symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1045         if (details)
1046         {
1047             codeview_add_type(curr_type, symt);
1048             codeview_add_func_signature_args(ctp,
1049                                              (struct symt_function_signature*)symt,
1050                                              type->procedure_v2.rvtype,
1051                                              type->procedure_v2.arglist);
1052         }
1053         break;
1054
1055     case LF_MFUNCTION_V1:
1056         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1057          * nor class information, this would just do for now
1058          */
1059         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1060         if (details)
1061         {
1062             codeview_add_type(curr_type, symt);
1063             codeview_add_func_signature_args(ctp,
1064                                              (struct symt_function_signature*)symt,
1065                                              type->mfunction_v1.rvtype,
1066                                              type->mfunction_v1.arglist);
1067         }
1068         break;
1069     case LF_MFUNCTION_V2:
1070         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1071          * nor class information, this would just do for now
1072          */
1073         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1074         if (details)
1075         {
1076             codeview_add_type(curr_type, symt);
1077             codeview_add_func_signature_args(ctp,
1078                                              (struct symt_function_signature*)symt,
1079                                              type->mfunction_v2.rvtype,
1080                                              type->mfunction_v2.arglist);
1081         }
1082         break;
1083
1084     case LF_VTSHAPE_V1:
1085         /* this is an ugly hack... FIXME when we have C++ support */
1086         if (!(symt = existing))
1087         {
1088             char    buf[128];
1089             snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1090             symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1091         }
1092         break;
1093     default:
1094         FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1095         dump(type, 2 + type->generic.len);
1096         return FALSE;
1097     }
1098     return codeview_add_type(curr_type, symt) ? symt : NULL;
1099 }
1100
1101 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1102 {
1103     unsigned int                curr_type = FIRST_DEFINABLE_TYPE;
1104     const union codeview_type*  type;
1105
1106     for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1107     {
1108         type = codeview_jump_to_type(ctp, curr_type);
1109
1110         /* type records we're interested in are the ones referenced by symbols
1111          * The known ranges are (X mark the ones we want):
1112          *   X  0000-0016       for V1 types
1113          *      0200-020c       for V1 types referenced by other types
1114          *      0400-040f       for V1 types (complex lists & sets)
1115          *   X  1000-100f       for V2 types
1116          *      1200-120c       for V2 types referenced by other types
1117          *      1400-140f       for V1 types (complex lists & sets)
1118          *   X  1500-150d       for V3 types
1119          *      8000-8010       for numeric leafes
1120          */
1121         if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1122             codeview_parse_one_type(ctp, curr_type, type, TRUE);
1123     }
1124
1125     return TRUE;
1126 }
1127
1128 /*========================================================================
1129  * Process CodeView line number information.
1130  */
1131
1132 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1133                                                        const BYTE* linetab, int size,
1134                                                        BOOL pascal_str)
1135 {
1136     int                         file_segcount;
1137     char                        filename[PATH_MAX];
1138     const unsigned int*         filetab;
1139     const struct p_string*      p_fn;
1140     int                         i;
1141     int                         k;
1142     struct codeview_linetab*    lt_hdr;
1143     const unsigned int*         lt_ptr;
1144     int                         nfile;
1145     int                         nseg;
1146     union any_size              pnt;
1147     union any_size              pnt2;
1148     const struct startend*      start;
1149     int                         this_seg;
1150     unsigned                    source;
1151
1152     /*
1153      * Now get the important bits.
1154      */
1155     pnt.uc = linetab;
1156     nfile = *pnt.s++;
1157     nseg = *pnt.s++;
1158
1159     filetab = (const unsigned int*) pnt.c;
1160
1161     /*
1162      * Now count up the number of segments in the file.
1163      */
1164     nseg = 0;
1165     for (i = 0; i < nfile; i++)
1166     {
1167         pnt2.uc = linetab + filetab[i];
1168         nseg += *pnt2.s;
1169     }
1170
1171     /*
1172      * Next allocate the header we will be returning.
1173      * There is one header for each segment, so that we can reach in
1174      * and pull bits as required.
1175      */
1176     lt_hdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1177                 (nseg + 1) * sizeof(*lt_hdr));
1178     if (lt_hdr == NULL)
1179     {
1180         goto leave;
1181     }
1182
1183     /*
1184      * Now fill the header we will be returning, one for each segment.
1185      * Note that this will basically just contain pointers into the existing
1186      * line table, and we do not actually copy any additional information
1187      * or allocate any additional memory.
1188      */
1189
1190     this_seg = 0;
1191     for (i = 0; i < nfile; i++)
1192     {
1193         /*
1194          * Get the pointer into the segment information.
1195          */
1196         pnt2.uc = linetab + filetab[i];
1197         file_segcount = *pnt2.s;
1198
1199         pnt2.ui++;
1200         lt_ptr = (const unsigned int*) pnt2.c;
1201         start = (const struct startend*)(lt_ptr + file_segcount);
1202
1203         /*
1204          * Now snarf the filename for all of the segments for this file.
1205          */
1206         if (pascal_str)
1207         {
1208             p_fn = (const struct p_string*)(start + file_segcount);
1209             memset(filename, 0, sizeof(filename));
1210             memcpy(filename, p_fn->name, p_fn->namelen);
1211             source = source_new(module, NULL, filename);
1212         }
1213         else
1214             source = source_new(module, NULL, (const char*)(start + file_segcount));
1215
1216         for (k = 0; k < file_segcount; k++, this_seg++)
1217         {
1218             pnt2.uc = linetab + lt_ptr[k];
1219             lt_hdr[this_seg].start      = start[k].start;
1220             lt_hdr[this_seg].end        = start[k].end;
1221             lt_hdr[this_seg].source     = source;
1222             lt_hdr[this_seg].segno      = *pnt2.s++;
1223             lt_hdr[this_seg].nline      = *pnt2.s++;
1224             lt_hdr[this_seg].offtab     = pnt2.ui;
1225             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1226         }
1227     }
1228
1229 leave:
1230
1231   return lt_hdr;
1232
1233 }
1234
1235 /*========================================================================
1236  * Process CodeView symbol information.
1237  */
1238
1239 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1240                                         unsigned int offset)
1241 {
1242     int                 nomap = msc_dbg->nomap;
1243     const OMAP_DATA*    omapp = msc_dbg->omapp;
1244     int                 i;
1245
1246     if (!nomap || !omapp) return offset;
1247
1248     /* FIXME: use binary search */
1249     for (i = 0; i < nomap - 1; i++)
1250         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1251             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1252
1253     return 0;
1254 }
1255
1256 static const struct codeview_linetab*
1257 codeview_get_linetab(const struct codeview_linetab* linetab,
1258                      unsigned seg, unsigned offset)
1259 {
1260     /*
1261      * Check whether we have line number information
1262      */
1263     if (linetab)
1264     {
1265         for (; linetab->linetab; linetab++)
1266             if (linetab->segno == seg &&
1267                 linetab->start <= offset && linetab->end   >  offset)
1268                 break;
1269         if (!linetab->linetab) linetab = NULL;
1270     }
1271     return linetab;
1272 }
1273
1274 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1275                                      unsigned seg, unsigned offset)
1276 {
1277     int                         nsect = msc_dbg->nsect;
1278     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1279
1280     if (!seg || seg > nsect) return 0;
1281     return msc_dbg->module->module.BaseOfImage +
1282         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1283 }
1284
1285 static void codeview_add_func_linenum(struct module* module,
1286                                       struct symt_function* func,
1287                                       const struct codeview_linetab* linetab,
1288                                       unsigned offset, unsigned size)
1289 {
1290     unsigned int        i;
1291
1292     if (!linetab) return;
1293     for (i = 0; i < linetab->nline; i++)
1294     {
1295         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1296         {
1297             symt_add_func_line(module, func, linetab->source,
1298                                linetab->linetab[i], linetab->offtab[i] - offset);
1299         }
1300     }
1301 }
1302
1303 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1304                           int offset, int size,
1305                           struct codeview_linetab* linetab)
1306 {
1307     struct symt_function*               curr_func = NULL;
1308     int                                 i, length;
1309     const struct codeview_linetab*      flt;
1310     struct symt_block*                  block = NULL;
1311     struct symt*                        symt;
1312     const char*                         name;
1313     struct symt_compiland*              compiland = NULL;
1314     struct location                     loc;
1315
1316     /*
1317      * Loop over the different types of records and whenever we
1318      * find something we are interested in, record it and move on.
1319      */
1320     for (i = offset; i < size; i += length)
1321     {
1322         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1323         length = sym->generic.len + 2;
1324         if (i + length > size) break;
1325         if (!sym->generic.id || length < 4) break;
1326         if (length & 3) FIXME("unpadded len %u\n", length);
1327
1328         switch (sym->generic.id)
1329         {
1330         /*
1331          * Global and local data symbols.  We don't associate these
1332          * with any given source file.
1333          */
1334         case S_GDATA_V1:
1335         case S_LDATA_V1:
1336             symt_new_global_variable(msc_dbg->module, compiland,
1337                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1338                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1339                                      0,
1340                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1341             break;
1342         case S_GDATA_V2:
1343         case S_LDATA_V2:
1344             name = terminate_string(&sym->data_v2.p_name);
1345             if (name)
1346                 symt_new_global_variable(msc_dbg->module, compiland,
1347                                          name, sym->generic.id == S_LDATA_V2,
1348                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1349                                          0,
1350                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1351             break;
1352         case S_GDATA_V3:
1353         case S_LDATA_V3:
1354             if (*sym->data_v3.name)
1355                 symt_new_global_variable(msc_dbg->module, compiland,
1356                                          sym->data_v3.name,
1357                                          sym->generic.id == S_LDATA_V3,
1358                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1359                                          0,
1360                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1361             break;
1362
1363         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1364             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1365             {
1366                 symt_new_public(msc_dbg->module, compiland,
1367                                 terminate_string(&sym->data_v1.p_name),
1368                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1369                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1370             }
1371             break;
1372         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1373             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1374             {
1375                 symt_new_public(msc_dbg->module, compiland,
1376                                 terminate_string(&sym->data_v2.p_name),
1377                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1378                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1379             }
1380             break;
1381
1382         /*
1383          * Sort of like a global function, but it just points
1384          * to a thunk, which is a stupid name for what amounts to
1385          * a PLT slot in the normal jargon that everyone else uses.
1386          */
1387         case S_THUNK_V1:
1388             symt_new_thunk(msc_dbg->module, compiland,
1389                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1390                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1391                            sym->thunk_v1.thunk_len);
1392             break;
1393         case S_THUNK_V3:
1394             symt_new_thunk(msc_dbg->module, compiland,
1395                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1396                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1397                            sym->thunk_v3.thunk_len);
1398             break;
1399
1400         /*
1401          * Global and static functions.
1402          */
1403         case S_GPROC_V1:
1404         case S_LPROC_V1:
1405             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1406             if (curr_func) FIXME("nested function\n");
1407             curr_func = symt_new_function(msc_dbg->module, compiland,
1408                                           terminate_string(&sym->proc_v1.p_name),
1409                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1410                                           sym->proc_v1.proc_len,
1411                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1412             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1413                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1414             loc.kind = loc_absolute;
1415             loc.offset = sym->proc_v1.debug_start;
1416             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1417             loc.offset = sym->proc_v1.debug_end;
1418             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1419             break;
1420         case S_GPROC_V2:
1421         case S_LPROC_V2:
1422             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1423             if (curr_func) FIXME("nested function\n");
1424             curr_func = symt_new_function(msc_dbg->module, compiland,
1425                                           terminate_string(&sym->proc_v2.p_name),
1426                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1427                                           sym->proc_v2.proc_len,
1428                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1429             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1430                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1431             loc.kind = loc_absolute;
1432             loc.offset = sym->proc_v2.debug_start;
1433             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1434             loc.offset = sym->proc_v2.debug_end;
1435             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1436             break;
1437         case S_GPROC_V3:
1438         case S_LPROC_V3:
1439             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1440             if (curr_func) FIXME("nested function\n");
1441             curr_func = symt_new_function(msc_dbg->module, compiland,
1442                                           sym->proc_v3.name,
1443                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1444                                           sym->proc_v3.proc_len,
1445                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1446             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1447                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1448             loc.kind = loc_absolute;
1449             loc.offset = sym->proc_v3.debug_start;
1450             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1451             loc.offset = sym->proc_v3.debug_end;
1452             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1453             break;
1454         /*
1455          * Function parameters and stack variables.
1456          */
1457         case S_BPREL_V1:
1458             loc.kind = loc_regrel;
1459             loc.reg = 0; /* FIXME */
1460             loc.offset = sym->stack_v1.offset;
1461             symt_add_func_local(msc_dbg->module, curr_func,
1462                                 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1463                                 &loc, block,
1464                                 codeview_get_type(sym->stack_v1.symtype, FALSE),
1465                                 terminate_string(&sym->stack_v1.p_name));
1466             break;
1467         case S_BPREL_V2:
1468             loc.kind = loc_regrel;
1469             loc.reg = 0; /* FIXME */
1470             loc.offset = sym->stack_v2.offset;
1471             symt_add_func_local(msc_dbg->module, curr_func,
1472                                 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1473                                 &loc, block,
1474                                 codeview_get_type(sym->stack_v2.symtype, FALSE),
1475                                 terminate_string(&sym->stack_v2.p_name));
1476             break;
1477         case S_BPREL_V3:
1478             loc.kind = loc_regrel;
1479             loc.reg = 0; /* FIXME */
1480             loc.offset = sym->stack_v3.offset;
1481             symt_add_func_local(msc_dbg->module, curr_func,
1482                                 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1483                                 &loc, block,
1484                                 codeview_get_type(sym->stack_v3.symtype, FALSE),
1485                                 sym->stack_v3.name);
1486             break;
1487         case S_BPREL_XXXX_V3:
1488             loc.kind = loc_regrel;
1489             loc.reg = 0; /* FIXME */
1490             loc.offset = sym->stack_xxxx_v3.offset;
1491             WARN("Supposed stack variable %s (%d)\n", sym->stack_xxxx_v3.name, sym->stack_xxxx_v3.unknown);
1492             symt_add_func_local(msc_dbg->module, curr_func,
1493                                 sym->stack_xxxx_v3.offset > 0 ? DataIsParam : DataIsLocal,
1494                                 &loc, block,
1495                                 codeview_get_type(sym->stack_xxxx_v3.symtype, FALSE),
1496                                 sym->stack_xxxx_v3.name);
1497             break;
1498
1499         case S_REGISTER_V1:
1500             loc.kind = loc_register;
1501             loc.reg = sym->register_v1.reg;
1502             loc.offset = 0;
1503             symt_add_func_local(msc_dbg->module, curr_func,
1504                                 DataIsLocal, &loc,
1505                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1506                                 terminate_string(&sym->register_v1.p_name));
1507             break;
1508         case S_REGISTER_V2:
1509             loc.kind = loc_register;
1510             loc.reg = sym->register_v2.reg;
1511             loc.offset = 0;
1512             symt_add_func_local(msc_dbg->module, curr_func,
1513                                 DataIsLocal, &loc,
1514                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1515                                 terminate_string(&sym->register_v2.p_name));
1516             break;
1517         case S_REGISTER_V3:
1518             loc.kind = loc_register;
1519             loc.reg = sym->register_v3.reg;
1520             loc.offset = 0;
1521             symt_add_func_local(msc_dbg->module, curr_func,
1522                                 DataIsLocal, &loc,
1523                                 block, codeview_get_type(sym->register_v3.type, FALSE),
1524                                 sym->register_v3.name);
1525             break;
1526
1527         case S_BLOCK_V1:
1528             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1529                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1530                                          sym->block_v1.length);
1531             break;
1532         case S_BLOCK_V3:
1533             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1534                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1535                                          sym->block_v3.length);
1536             break;
1537
1538         case S_END_V1:
1539             if (block)
1540             {
1541                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1542             }
1543             else if (curr_func)
1544             {
1545                 symt_normalize_function(msc_dbg->module, curr_func);
1546                 curr_func = NULL;
1547             }
1548             break;
1549
1550         case S_COMPILAND_V1:
1551             TRACE("S-Compiland-V1 %x %s\n",
1552                   sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1553             break;
1554
1555         case S_COMPILAND_V2:
1556             TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1557             if (TRACE_ON(dbghelp_msc))
1558             {
1559                 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1560                 const char* ptr2;
1561                 while (*ptr1)
1562                 {
1563                     ptr2 = ptr1 + strlen(ptr1) + 1;
1564                     TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1565                     ptr1 = ptr2 + strlen(ptr2) + 1;
1566                 }
1567             }
1568             break;
1569         case S_COMPILAND_V3:
1570             TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1571             if (TRACE_ON(dbghelp_msc))
1572             {
1573                 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1574                 const char* ptr2;
1575                 while (*ptr1)
1576                 {
1577                     ptr2 = ptr1 + strlen(ptr1) + 1;
1578                     TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1579                     ptr1 = ptr2 + strlen(ptr2) + 1;
1580                 }
1581             }
1582             break;
1583
1584         case S_OBJNAME_V1:
1585             TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1586             compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1587                                            source_new(msc_dbg->module, NULL,
1588                                                       terminate_string(&sym->objname_v1.p_name)));
1589             break;
1590
1591         case S_LABEL_V1:
1592             if (curr_func)
1593             {
1594                 loc.kind = loc_absolute;
1595                 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1596                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1597                                         terminate_string(&sym->label_v1.p_name));
1598             }
1599             else symt_new_label(msc_dbg->module, compiland,
1600                                 terminate_string(&sym->label_v1.p_name),
1601                                 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1602             break;
1603         case S_LABEL_V3:
1604             if (curr_func)
1605             {
1606                 loc.kind = loc_absolute;
1607                 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1608                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1609                                         &loc, sym->label_v3.name);
1610             }
1611             else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1612                                 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1613             break;
1614
1615         case S_CONSTANT_V1:
1616             {
1617                 int                     vlen;
1618                 const struct p_string*  name;
1619                 struct symt*            se;
1620                 VARIANT                 v;
1621
1622                 v.n1.n2.vt = VT_I4;
1623                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v1.cvalue);
1624                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1625                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1626
1627                 TRACE("S-Constant-V1 %u %s %x\n",
1628                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1629                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1630                                   se, &v);
1631             }
1632             break;
1633         case S_CONSTANT_V2:
1634             {
1635                 int                     vlen;
1636                 const struct p_string*  name;
1637                 struct symt*            se;
1638                 VARIANT                 v;
1639
1640                 v.n1.n2.vt = VT_I4;
1641                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v2.cvalue);
1642                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1643                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1644
1645                 TRACE("S-Constant-V2 %u %s %x\n",
1646                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1647                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1648                                   se, &v);
1649             }
1650             break;
1651         case S_CONSTANT_V3:
1652             {
1653                 int                     vlen;
1654                 const char*             name;
1655                 struct symt*            se;
1656                 VARIANT                 v;
1657
1658                 v.n1.n2.vt = VT_I4;
1659                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v3.cvalue);
1660                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1661                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1662
1663                 TRACE("S-Constant-V3 %u %s %x\n",
1664                       v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1665                 /* FIXME: we should add this as a constant value */
1666             }
1667             break;
1668
1669         case S_UDT_V1:
1670             if (sym->udt_v1.type)
1671             {
1672                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1673                     symt_new_typedef(msc_dbg->module, symt,
1674                                      terminate_string(&sym->udt_v1.p_name));
1675                 else
1676                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1677                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1678             }
1679             break;
1680         case S_UDT_V2:
1681             if (sym->udt_v2.type)
1682             {
1683                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1684                     symt_new_typedef(msc_dbg->module, symt,
1685                                      terminate_string(&sym->udt_v2.p_name));
1686                 else
1687                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1688                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1689             }
1690             break;
1691         case S_UDT_V3:
1692             if (sym->udt_v3.type)
1693             {
1694                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1695                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1696                 else
1697                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1698                           sym->udt_v3.name, sym->udt_v3.type);
1699             }
1700             break;
1701
1702          /*
1703          * These are special, in that they are always followed by an
1704          * additional length-prefixed string which is *not* included
1705          * into the symbol length count.  We need to skip it.
1706          */
1707         case S_PROCREF_V1:
1708         case S_DATAREF_V1:
1709         case S_LPROCREF_V1:
1710             name = (const char*)sym + length;
1711             length += (*name + 1 + 3) & ~3;
1712             break;
1713
1714         case S_PUB_V3:
1715             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1716             {
1717                 symt_new_public(msc_dbg->module, compiland,
1718                                 sym->data_v3.name,
1719                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1720                                 1, FALSE /* FIXME */, FALSE);
1721             }
1722             break;
1723         case S_PUB_FUNC1_V3:
1724         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1725 #if 0
1726             /* FIXME: this is plain wrong (from a simple test) */
1727             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1728             {
1729                 symt_new_public(msc_dbg->module, compiland,
1730                                 sym->data_v3.name,
1731                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1732                                 1, TRUE /* FIXME */, TRUE);
1733             }
1734 #endif
1735             break;
1736
1737         case S_MSTOOL_V3: /* just to silence a few warnings */
1738             break;
1739
1740         case S_SSEARCH_V1:
1741             TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1742                   sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1743             break;
1744
1745         case S_ALIGN_V1:
1746             TRACE("S-Align V1\n");
1747             break;
1748
1749         default:
1750             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1751             dump(sym, 2 + sym->generic.len);
1752             break;
1753         }
1754     }
1755
1756     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1757
1758     HeapFree(GetProcessHeap(), 0, linetab);
1759     return TRUE;
1760 }
1761
1762 /*========================================================================
1763  * Process PDB file.
1764  */
1765
1766 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1767                          int size)
1768 {
1769     int                         i, num_blocks;
1770     BYTE*                       buffer;
1771
1772     if (!size) return NULL;
1773
1774     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1775     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1776
1777     for (i = 0; i < num_blocks; i++)
1778         memcpy(buffer + i * pdb->block_size,
1779                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1780
1781     return buffer;
1782 }
1783
1784 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1785                          int size)
1786 {
1787     int                         i, num_blocks;
1788     BYTE*                       buffer;
1789
1790     if (!size) return NULL;
1791
1792     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1793     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1794
1795     for (i = 0; i < num_blocks; i++)
1796         memcpy(buffer + i * pdb->block_size,
1797                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1798
1799     return buffer;
1800 }
1801
1802 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1803                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1804 {
1805     const WORD*                 block_list;
1806     DWORD                       i;
1807
1808     if (!toc || file_nr >= toc->num_files) return NULL;
1809
1810     block_list = (const WORD*) &toc->file[toc->num_files];
1811     for (i = 0; i < file_nr; i++)
1812         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1813
1814     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1815 }
1816
1817 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1818                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1819 {
1820     const DWORD*                block_list;
1821     DWORD                       i;
1822
1823     if (!toc || file_nr >= toc->num_files) return NULL;
1824
1825     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1826     {
1827         FIXME(">>> requesting NULL stream (%u)\n", file_nr);
1828         return NULL;
1829     }
1830     block_list = &toc->file_size[toc->num_files];
1831     for (i = 0; i < file_nr; i++)
1832         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1833
1834     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1835 }
1836
1837 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1838                            DWORD file_nr)
1839 {
1840     switch (pdb_lookup->kind)
1841     {
1842     case PDB_JG:
1843         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1844                                 pdb_lookup->u.jg.toc, file_nr);
1845     case PDB_DS:
1846         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1847                                 pdb_lookup->u.ds.toc, file_nr);
1848     }
1849     return NULL;
1850 }
1851
1852 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1853 {
1854     switch (pdb_lookup->kind)
1855     {
1856     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1857     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1858     }
1859     return 0;
1860 }
1861
1862 static void pdb_free(void* buffer)
1863 {
1864     HeapFree(GetProcessHeap(), 0, buffer);
1865 }
1866
1867 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1868 {
1869     switch (pdb_lookup->kind)
1870     {
1871     case PDB_JG:
1872         pdb_free(pdb_lookup->u.jg.toc);
1873         break;
1874     case PDB_DS:
1875         pdb_free(pdb_lookup->u.ds.toc);
1876         break;
1877     }
1878 }
1879
1880 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1881 {
1882     memset(types, 0, sizeof(PDB_TYPES));
1883     if (!image) return;
1884
1885     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1886     {
1887         /* Old version of the types record header */
1888         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1889         types->version     = old->version;
1890         types->type_offset = sizeof(PDB_TYPES_OLD);
1891         types->type_size   = old->type_size;
1892         types->first_index = old->first_index;
1893         types->last_index  = old->last_index;
1894         types->file        = old->file;
1895     }
1896     else
1897     {
1898         /* New version of the types record header */
1899         *types = *(const PDB_TYPES*)image;
1900     }
1901 }
1902
1903 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1904                                        int* header_size, const BYTE* image)
1905 {
1906     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1907     if (!image) return;
1908
1909     if (*(const DWORD*)image != 0xffffffff)
1910     {
1911         /* Old version of the symbols record header */
1912         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1913         symbols->version         = 0;
1914         symbols->module_size     = old->module_size;
1915         symbols->offset_size     = old->offset_size;
1916         symbols->hash_size       = old->hash_size;
1917         symbols->srcmodule_size  = old->srcmodule_size;
1918         symbols->pdbimport_size  = 0;
1919         symbols->hash1_file      = old->hash1_file;
1920         symbols->hash2_file      = old->hash2_file;
1921         symbols->gsym_file       = old->gsym_file;
1922
1923         *header_size = sizeof(PDB_SYMBOLS_OLD);
1924     }
1925     else
1926     {
1927         /* New version of the symbols record header */
1928         *symbols = *(const PDB_SYMBOLS*)image;
1929         *header_size = sizeof(PDB_SYMBOLS);
1930     }
1931 }
1932
1933 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1934                                     PDB_SYMBOL_FILE_EX* sfile,
1935                                     unsigned* size, const void* image)
1936
1937 {
1938     if (symbols->version < 19970000)
1939     {
1940         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1941         memset(sfile, 0, sizeof(*sfile));
1942         sfile->file        = sym_file->file;
1943         sfile->range.index = sym_file->range.index;
1944         sfile->symbol_size = sym_file->symbol_size;
1945         sfile->lineno_size = sym_file->lineno_size;
1946         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1947     }
1948     else
1949     {
1950         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1951         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1952     }
1953 }
1954
1955 static BOOL CALLBACK pdb_match(const char* file, void* user)
1956 {
1957     /* accept first file that exists */
1958     HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1959     TRACE("match with %s returns %p\n", file, h);
1960     if (INVALID_HANDLE_VALUE != h) {
1961         CloseHandle(h);
1962         return FALSE;
1963     }
1964     return TRUE;
1965 }
1966
1967 static HANDLE open_pdb_file(const struct process* pcs,
1968                             const struct pdb_lookup* lookup)
1969 {
1970     HANDLE      h;
1971     char        dbg_file_path[MAX_PATH];
1972     BOOL        ret = FALSE;
1973
1974     switch (lookup->kind)
1975     {
1976     case PDB_JG:
1977         ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1978                                 (PVOID)(DWORD_PTR)lookup->u.jg.timestamp,
1979                                 lookup->age, 0, SSRVOPT_DWORD,
1980                                 dbg_file_path, pdb_match, NULL);
1981         break;
1982     case PDB_DS:
1983         ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1984                                 (PVOID)&lookup->u.ds.guid, lookup->age, 0,
1985                                 SSRVOPT_GUIDPTR, dbg_file_path, pdb_match, NULL);
1986         break;
1987     }
1988     if (!ret)
1989     {
1990         WARN("\tCouldn't find %s\n", lookup->filename);
1991         return NULL;
1992     }
1993     h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1994                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1995     TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
1996     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1997 }
1998
1999 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2000                               const char* image, const struct pdb_lookup* pdb_lookup)
2001 {
2002     BYTE*       types_image = NULL;
2003
2004     types_image = pdb_read_file(image, pdb_lookup, 2);
2005     if (types_image)
2006     {
2007         PDB_TYPES               types;
2008         struct codeview_type_parse      ctp;
2009         DWORD                   total;
2010         const BYTE*             ptr;
2011         DWORD*                  offset;
2012
2013         pdb_convert_types_header(&types, types_image);
2014
2015         /* Check for unknown versions */
2016         switch (types.version)
2017         {
2018         case 19950410:      /* VC 4.0 */
2019         case 19951122:
2020         case 19961031:      /* VC 5.0 / 6.0 */
2021         case 19990903:
2022             break;
2023         default:
2024             ERR("-Unknown type info version %d\n", types.version);
2025         }
2026
2027         ctp.module = msc_dbg->module;
2028         /* reconstruct the types offset...
2029          * FIXME: maybe it's present in the newest PDB_TYPES structures
2030          */
2031         total = types.last_index - types.first_index + 1;
2032         offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2033         ctp.table = ptr = types_image + types.type_offset;
2034         ctp.num = 0;
2035         while (ptr < ctp.table + types.type_size && ctp.num < total)
2036         {
2037             offset[ctp.num++] = ptr - ctp.table;
2038             ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2039         }
2040         ctp.offset = offset;
2041
2042         /* Read type table */
2043         codeview_parse_type_table(&ctp);
2044         HeapFree(GetProcessHeap(), 0, offset);
2045         pdb_free(types_image);
2046     }
2047 }
2048
2049 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2050 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2051
2052 /******************************************************************
2053  *              pdb_init
2054  *
2055  * Tries to load a pdb file
2056  * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
2057  *      file
2058  * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
2059  *      pdb_lookup) matches what's really in the file
2060  */
2061 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
2062 {
2063     BOOL        ret = TRUE;
2064
2065     /* check the file header, and if ok, load the TOC */
2066     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2067
2068     if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2069     {
2070         const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2071         struct PDB_JG_ROOT*         root;
2072
2073         pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2074         root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
2075         if (!root)
2076         {
2077             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2078             return FALSE;
2079         }
2080         switch (root->Version)
2081         {
2082         case 19950623:      /* VC 4.0 */
2083         case 19950814:
2084         case 19960307:      /* VC 5.0 */
2085         case 19970604:      /* VC 6.0 */
2086             break;
2087         default:
2088             ERR("-Unknown root block version %d\n", root->Version);
2089         }
2090         if (do_fill)
2091         {
2092             pdb_lookup->kind = PDB_JG;
2093             pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
2094             pdb_lookup->age = root->Age;
2095         }
2096         else if (pdb_lookup->kind != PDB_JG ||
2097                  pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2098                  pdb_lookup->age != root->Age)
2099             ret = FALSE;
2100         TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2101               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2102               root->TimeDateStamp);
2103         pdb_free(root);
2104     }
2105     else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2106     {
2107         const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2108         struct PDB_DS_ROOT*         root;
2109
2110         pdb_lookup->u.ds.toc =
2111             pdb_ds_read(pdb,
2112                         (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2113                         pdb->toc_size);
2114         root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2115         if (!root)
2116         {
2117             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2118             return FALSE;
2119         }
2120         switch (root->Version)
2121         {
2122         case 20000404:
2123             break;
2124         default:
2125             ERR("-Unknown root block version %d\n", root->Version);
2126         }
2127         if (do_fill)
2128         {
2129             pdb_lookup->kind = PDB_DS;
2130             pdb_lookup->u.ds.guid = root->guid;
2131             pdb_lookup->age = root->Age;
2132         }
2133         else if (pdb_lookup->kind != PDB_DS ||
2134                  memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2135                  pdb_lookup->age != root->Age)
2136             ret = FALSE;
2137         TRACE("found DS/%c for %s: age=%x guid=%s\n",
2138               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2139               debugstr_guid(&root->guid));
2140         pdb_free(root);
2141     }
2142
2143     if (0) /* some tool to dump the internal files from a PDB file */
2144     {
2145         int     i, num_files;
2146
2147         switch (pdb_lookup->kind)
2148         {
2149         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2150         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2151         }
2152
2153         for (i = 1; i < num_files; i++)
2154         {
2155             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2156             FIXME("********************** [%u]: size=%08x\n",
2157                   i, pdb_get_file_size(pdb_lookup, i));
2158             dump(x, pdb_get_file_size(pdb_lookup, i));
2159             pdb_free(x);
2160         }
2161     }
2162     return ret;
2163 }
2164
2165 static BOOL pdb_process_internal(const struct process* pcs,
2166                                  const struct msc_debug_info* msc_dbg,
2167                                  struct pdb_lookup* pdb_lookup,
2168                                  unsigned module_index);
2169
2170 static void pdb_process_symbol_imports(const struct process* pcs,
2171                                        const struct msc_debug_info* msc_dbg,
2172                                        const PDB_SYMBOLS* symbols,
2173                                        const void* symbols_image,
2174                                        const char* image,
2175                                        const struct pdb_lookup* pdb_lookup,
2176                                        unsigned module_index)
2177 {
2178     if (module_index == -1 && symbols && symbols->pdbimport_size)
2179     {
2180         const PDB_SYMBOL_IMPORT*imp;
2181         const void*             first;
2182         const void*             last;
2183         const char*             ptr;
2184         int                     i = 0;
2185
2186         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2187                                          symbols->module_size + symbols->offset_size +
2188                                          symbols->hash_size + symbols->srcmodule_size);
2189         first = (const char*)imp;
2190         last = (const char*)imp + symbols->pdbimport_size;
2191         while (imp < (const PDB_SYMBOL_IMPORT*)last)
2192         {
2193             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2194             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2195             if (!strcasecmp(pdb_lookup->filename, imp->filename))
2196             {
2197                 if (module_index != -1) FIXME("Twice the entry\n");
2198                 else module_index = i;
2199             }
2200             else
2201             {
2202                 struct pdb_lookup       imp_pdb_lookup;
2203
2204                 /* FIXME: this is an import of a JG PDB file
2205                  * how's a DS PDB handled ?
2206                  */
2207                 imp_pdb_lookup.filename = imp->filename;
2208                 imp_pdb_lookup.kind = PDB_JG;
2209                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2210                 imp_pdb_lookup.age = imp->Age;
2211                 TRACE("got for %s: age=%u ts=%x\n",
2212                       imp->filename, imp->Age, imp->TimeDateStamp);
2213                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2214             }
2215             i++;
2216             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2217         }
2218     }
2219     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2220     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2221     cv_current_module->allowed = TRUE;
2222     pdb_process_types(msc_dbg, image, pdb_lookup);
2223 }
2224
2225 static BOOL pdb_process_internal(const struct process* pcs,
2226                                  const struct msc_debug_info* msc_dbg,
2227                                  struct pdb_lookup* pdb_lookup,
2228                                  unsigned module_index)
2229 {
2230     BOOL        ret = FALSE;
2231     HANDLE      hFile, hMap = NULL;
2232     char*       image = NULL;
2233     BYTE*       symbols_image = NULL;
2234
2235     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2236
2237     /* Open and map() .PDB file */
2238     if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2239         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2240         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2241     {
2242         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2243         goto leave;
2244     }
2245     pdb_init(pdb_lookup, image, FALSE);
2246
2247     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2248     if (symbols_image)
2249     {
2250         PDB_SYMBOLS symbols;
2251         BYTE*       modimage;
2252         BYTE*       file;
2253         int         header_size = 0;
2254
2255         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2256         switch (symbols.version)
2257         {
2258         case 0:            /* VC 4.0 */
2259         case 19960307:     /* VC 5.0 */
2260         case 19970606:     /* VC 6.0 */
2261         case 19990903:
2262             break;
2263         default:
2264             ERR("-Unknown symbol info version %d %08x\n",
2265                 symbols.version, symbols.version);
2266         }
2267
2268         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2269
2270         /* Read global symbol table */
2271         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2272         if (modimage)
2273         {
2274             codeview_snarf(msc_dbg, modimage, 0,
2275                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2276
2277             pdb_free(modimage);
2278         }
2279
2280         /* Read per-module symbol / linenumber tables */
2281         file = symbols_image + header_size;
2282         while (file - symbols_image < header_size + symbols.module_size)
2283         {
2284             PDB_SYMBOL_FILE_EX          sfile;
2285             const char*                 file_name;
2286             unsigned                    size;
2287
2288             HeapValidate(GetProcessHeap(), 0, NULL);
2289             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2290
2291             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2292             if (modimage)
2293             {
2294                 struct codeview_linetab*    linetab = NULL;
2295
2296                 if (sfile.lineno_size)
2297                     linetab = codeview_snarf_linetab(msc_dbg->module,
2298                                                      modimage + sfile.symbol_size,
2299                                                      sfile.lineno_size,
2300                                                      pdb_lookup->kind == PDB_JG);
2301
2302                 if (sfile.symbol_size)
2303                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2304                                    sfile.symbol_size, linetab);
2305
2306                 pdb_free(modimage);
2307             }
2308             file_name = (const char*)file + size;
2309             file_name += strlen(file_name) + 1;
2310             file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2311         }
2312     }
2313     else
2314         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2315                                    module_index);
2316     ret = TRUE;
2317
2318  leave:
2319     /* Cleanup */
2320     pdb_free(symbols_image);
2321     pdb_free_lookup(pdb_lookup);
2322
2323     if (image) UnmapViewOfFile(image);
2324     if (hMap) CloseHandle(hMap);
2325     if (hFile) CloseHandle(hFile);
2326
2327     return ret;
2328 }
2329
2330 static BOOL pdb_process_file(const struct process* pcs,
2331                              const struct msc_debug_info* msc_dbg,
2332                              struct pdb_lookup* pdb_lookup)
2333 {
2334     BOOL        ret;
2335
2336     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2337     codeview_init_basic_types(msc_dbg->module);
2338     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2339     codeview_clear_type_table();
2340     if (ret)
2341     {
2342         msc_dbg->module->module.SymType = SymCv;
2343         if (pdb_lookup->kind == PDB_JG)
2344             msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2345         else
2346             msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2347         msc_dbg->module->module.PdbAge = pdb_lookup->age;
2348         MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2349                             msc_dbg->module->module.LoadedPdbName,
2350                             sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2351         /* FIXME: we could have a finer grain here */
2352         msc_dbg->module->module.LineNumbers = TRUE;
2353         msc_dbg->module->module.GlobalSymbols = TRUE;
2354         msc_dbg->module->module.TypeInfo = TRUE;
2355         msc_dbg->module->module.SourceIndexed = TRUE;
2356         msc_dbg->module->module.Publics = TRUE;
2357     }
2358     return ret;
2359 }
2360
2361 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2362 {
2363     HANDLE              hFile, hMap = NULL;
2364     char*               image = NULL;
2365     BOOL                ret = TRUE;
2366
2367     if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2368                              OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2369         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2370         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2371     {
2372         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2373         ret = FALSE;
2374     }
2375     else
2376     {
2377         pdb_init(pdb_lookup, image, TRUE);
2378         pdb_free_lookup(pdb_lookup);
2379     }
2380
2381     if (image) UnmapViewOfFile(image);
2382     if (hMap) CloseHandle(hMap);
2383     if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2384
2385     return ret;
2386 }
2387
2388 /*========================================================================
2389  * Process CodeView debug information.
2390  */
2391
2392 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2393 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2394 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2395 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2396 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2397
2398 static BOOL codeview_process_info(const struct process* pcs,
2399                                   const struct msc_debug_info* msc_dbg)
2400 {
2401     const DWORD*                signature = (const DWORD*)msc_dbg->root;
2402     BOOL                        ret = FALSE;
2403     struct pdb_lookup           pdb_lookup;
2404
2405     TRACE("Processing signature %.4s\n", (const char*)signature);
2406
2407     switch (*signature)
2408     {
2409     case CODEVIEW_NB09_SIG:
2410     case CODEVIEW_NB11_SIG:
2411     {
2412         const OMFSignature*     cv = (const OMFSignature*)msc_dbg->root;
2413         const OMFDirHeader*     hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2414         const OMFDirEntry*      ent;
2415         const OMFDirEntry*      prev;
2416         const OMFDirEntry*      next;
2417         unsigned int                    i;
2418
2419         codeview_init_basic_types(msc_dbg->module);
2420
2421         for (i = 0; i < hdr->cDir; i++)
2422         {
2423             ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2424             if (ent->SubSection == sstGlobalTypes)
2425             {
2426                 const OMFGlobalTypes*           types;
2427                 struct codeview_type_parse      ctp;
2428
2429                 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2430                 ctp.module = msc_dbg->module;
2431                 ctp.offset = (const DWORD*)(types + 1);
2432                 ctp.num    = types->cTypes;
2433                 ctp.table  = (const BYTE*)(ctp.offset + types->cTypes);
2434
2435                 cv_current_module = &cv_zmodules[0];
2436                 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2437                 cv_current_module->allowed = TRUE;
2438
2439                 codeview_parse_type_table(&ctp);
2440                 break;
2441             }
2442         }
2443
2444         ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2445         for (i = 0; i < hdr->cDir; i++, ent = next)
2446         {
2447             next = (i == hdr->cDir-1) ? NULL :
2448                    (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2449             prev = (i == 0) ? NULL :
2450                    (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2451
2452             if (ent->SubSection == sstAlignSym)
2453             {
2454                 /*
2455                  * Check the next and previous entry.  If either is a
2456                  * sstSrcModule, it contains the line number info for
2457                  * this file.
2458                  *
2459                  * FIXME: This is not a general solution!
2460                  */
2461                 struct codeview_linetab*        linetab = NULL;
2462
2463                 if (next && next->iMod == ent->iMod &&
2464                     next->SubSection == sstSrcModule)
2465                     linetab = codeview_snarf_linetab(msc_dbg->module,
2466                                                      msc_dbg->root + next->lfo, next->cb,
2467                                                      TRUE);
2468
2469                 if (prev && prev->iMod == ent->iMod &&
2470                     prev->SubSection == sstSrcModule)
2471                     linetab = codeview_snarf_linetab(msc_dbg->module,
2472                                                      msc_dbg->root + prev->lfo, prev->cb,
2473                                                      TRUE);
2474
2475                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2476                                ent->cb, linetab);
2477             }
2478         }
2479
2480         msc_dbg->module->module.SymType = SymCv;
2481         /* FIXME: we could have a finer grain here */
2482         msc_dbg->module->module.LineNumbers = TRUE;
2483         msc_dbg->module->module.GlobalSymbols = TRUE;
2484         msc_dbg->module->module.TypeInfo = TRUE;
2485         msc_dbg->module->module.SourceIndexed = TRUE;
2486         msc_dbg->module->module.Publics = TRUE;
2487         codeview_clear_type_table();
2488         ret = TRUE;
2489         break;
2490     }
2491
2492     case CODEVIEW_NB10_SIG:
2493     {
2494         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2495         pdb_lookup.filename = pdb->name;
2496         pdb_lookup.kind = PDB_JG;
2497         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2498         pdb_lookup.u.jg.toc = NULL;
2499         pdb_lookup.age = pdb->unknown;
2500         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2501         break;
2502     }
2503     case CODEVIEW_RSDS_SIG:
2504     {
2505         const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2506
2507         TRACE("Got RSDS type of PDB file: guid=%s unk=%08x name=%s\n",
2508               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2509         pdb_lookup.filename = rsds->name;
2510         pdb_lookup.kind = PDB_DS;
2511         pdb_lookup.u.ds.guid = rsds->guid;
2512         pdb_lookup.u.ds.toc = NULL;
2513         pdb_lookup.age = rsds->unknown;
2514         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2515         break;
2516     }
2517     default:
2518         ERR("Unknown CODEVIEW signature %08x in module %s\n",
2519             *signature, debugstr_w(msc_dbg->module->module.ModuleName));
2520         break;
2521     }
2522     if (ret)
2523     {
2524         msc_dbg->module->module.CVSig = *signature;
2525         memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2526                sizeof(msc_dbg->module->module.CVData));
2527     }
2528     return ret;
2529 }
2530
2531 /*========================================================================
2532  * Process debug directory.
2533  */
2534 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2535                              const BYTE* mapping,
2536                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2537                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2538 {
2539     BOOL                        ret;
2540     int                         i;
2541     struct msc_debug_info       msc_dbg;
2542
2543     msc_dbg.module = module;
2544     msc_dbg.nsect  = nsect;
2545     msc_dbg.sectp  = sectp;
2546     msc_dbg.nomap  = 0;
2547     msc_dbg.omapp  = NULL;
2548
2549     __TRY
2550     {
2551         ret = FALSE;
2552
2553         /* First, watch out for OMAP data */
2554         for (i = 0; i < nDbg; i++)
2555         {
2556             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2557             {
2558                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2559                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2560                 break;
2561             }
2562         }
2563
2564         /* Now, try to parse CodeView debug info */
2565         for (i = 0; i < nDbg; i++)
2566         {
2567             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2568             {
2569                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2570                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2571             }
2572         }
2573
2574         /* If not found, try to parse COFF debug info */
2575         for (i = 0; i < nDbg; i++)
2576         {
2577             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2578             {
2579                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2580                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2581             }
2582         }
2583     done:
2584          /* FIXME: this should be supported... this is the debug information for
2585           * functions compiled without a frame pointer (FPO = frame pointer omission)
2586           * the associated data helps finding out the relevant information
2587           */
2588         for (i = 0; i < nDbg; i++)
2589             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2590                 FIXME("This guy has FPO information\n");
2591 #if 0
2592
2593 #define FRAME_FPO   0
2594 #define FRAME_TRAP  1
2595 #define FRAME_TSS   2
2596
2597 typedef struct _FPO_DATA
2598 {
2599         DWORD       ulOffStart;            /* offset 1st byte of function code */
2600         DWORD       cbProcSize;            /* # bytes in function */
2601         DWORD       cdwLocals;             /* # bytes in locals/4 */
2602         WORD        cdwParams;             /* # bytes in params/4 */
2603
2604         WORD        cbProlog : 8;          /* # bytes in prolog */
2605         WORD        cbRegs   : 3;          /* # regs saved */
2606         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2607         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2608         WORD        reserved : 1;          /* reserved for future use */
2609         WORD        cbFrame  : 2;          /* frame type */
2610 } FPO_DATA;
2611 #endif
2612
2613     }
2614     __EXCEPT_PAGE_FAULT
2615     {
2616         ERR("Got a page fault while loading symbols\n");
2617         ret = FALSE;
2618     }
2619     __ENDTRY
2620     return ret;
2621 }